From 7dac02148bca67ceae56e880f5f2a490faff1a38 Mon Sep 17 00:00:00 2001
From: Chris Robinson <chris.kcat@gmail.com>
Date: Mon, 9 May 2016 16:34:54 -0700
Subject: Use the source's offset type to determine if there's an offset

---
 Alc/ALc.c           |  2 +-
 OpenAL32/alSource.c | 17 +++++++++++------
 2 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/Alc/ALc.c b/Alc/ALc.c
index f8eda9a5..b8dae07c 100644
--- a/Alc/ALc.c
+++ b/Alc/ALc.c
@@ -1604,7 +1604,7 @@ void ALCcontext_ProcessUpdates(ALCcontext *context)
             ALenum new_state;
 
             if((Source->state == AL_PLAYING || Source->state == AL_PAUSED) &&
-               Source->Offset >= 0.0)
+               Source->OffsetType != AL_NONE)
             {
                 WriteLock(&Source->queue_lock);
                 ApplyOffset(Source);
diff --git a/OpenAL32/alSource.c b/OpenAL32/alSource.c
index b4da90cd..749f2ec4 100644
--- a/OpenAL32/alSource.c
+++ b/OpenAL32/alSource.c
@@ -2544,7 +2544,8 @@ static ALvoid InitSourceParams(ALsource *Source)
     Source->state = AL_INITIAL;
     Source->new_state = AL_NONE;
     Source->SourceType = AL_UNDETERMINED;
-    Source->Offset = -1.0;
+    Source->OffsetType = AL_NONE;
+    Source->Offset = 0.0;
 
     ATOMIC_INIT(&Source->queue, NULL);
     ATOMIC_INIT(&Source->current_buffer, NULL);
@@ -2608,7 +2609,7 @@ ALvoid SetSourceState(ALsource *Source, ALCcontext *Context, ALenum state)
         }
 
         // Check if an Offset has been set
-        if(Source->Offset >= 0.0)
+        if(Source->OffsetType != AL_NONE)
         {
             ApplyOffset(Source);
             /* discontinuity = AL_TRUE;??? */
@@ -2680,7 +2681,8 @@ ALvoid SetSourceState(ALsource *Source, ALCcontext *Context, ALenum state)
             Source->state = AL_STOPPED;
             ATOMIC_STORE(&Source->current_buffer, NULL);
         }
-        Source->Offset = -1.0;
+        Source->OffsetType = AL_NONE;
+        Source->Offset = 0.0;
     }
     else if(state == AL_INITIAL)
     {
@@ -2691,7 +2693,8 @@ ALvoid SetSourceState(ALsource *Source, ALCcontext *Context, ALenum state)
             Source->position_fraction = 0;
             ATOMIC_STORE(&Source->current_buffer, ATOMIC_LOAD(&Source->queue));
         }
-        Source->Offset = -1.0;
+        Source->OffsetType = AL_NONE;
+        Source->Offset = 0.0;
     }
     WriteUnlock(&Source->queue_lock);
 }
@@ -2942,7 +2945,8 @@ static ALboolean GetSampleOffset(ALsource *Source, ALuint *offset, ALuint *frac)
     }
     if(!Buffer)
     {
-        Source->Offset = -1.0;
+        Source->OffsetType = AL_NONE;
+        Source->Offset = 0.0;
         return AL_FALSE;
     }
 
@@ -2980,7 +2984,8 @@ static ALboolean GetSampleOffset(ALsource *Source, ALuint *offset, ALuint *frac)
         *frac = (ALuint)mind(dblfrac*FRACTIONONE, FRACTIONONE-1.0);
         break;
     }
-    Source->Offset = -1.0;
+    Source->OffsetType = AL_NONE;
+    Source->Offset = 0.0;
 
     return AL_TRUE;
 }
-- 
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